peter's square in rome today for a final glimpse of benedict xvi while he's still pope. he steps down less than 24 hours from now. cnn's becky anderson is on the scene. >> reporter: just making my way up to st. peter's square. i can already see, there's enormous crowd up here. i would sea at least 100,000, if not more. this is the pope's last general audience, and just behind me here, they've got a road, some kcordoned off all the way aroun st. peter's square, and these crowds here are waiting to see the pope, pope benedict xvi, come past in his popemobile. it's really the most extraordinary atmosphere. it's an absolutely beautiful day and there are flags from all over the world. you can see a mexican flag there with the vatican flag. there's a chinese flag, i can see a ukrainian flag right there in the crowd. and a really peaceful atmosphere. >> we came from mexico for today. >> reporter: and how does it feel to be here today? >> amazing. really. >> it is amazing. >> very gorgeous experience, really. >> it never is in your lifetime that a pope resigns. i think only once